Finding the Fourth Proportional to 2,628,211.91, 3,627,708.09 and 1,540,718.87
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Solution
The fourth proportional to 2,628,211.91, 3,627,708.09 and 1,540,718.87 is: 2,126,646.75
Step by Step Solution
- Step 1: Write the proportion equation
2,628,211.91 : 3,627,708.09 = 1,540,718.87 : x - Step 2: Convert to fraction form
2,628,211.91/3,627,708.09 = 1,540,718.87/x - Step 3: Cross multiply
2,628,211.91x = 3,627,708.09 × 1,540,718.87 - Step 4: Simplify right side
2,628,211.91x = 5,589,278,309,114.66 - Step 5: Solve for x
x = 5,589,278,309,114.66/2,628,211.91 - Step 6: Final answer
x = 2,126,646.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.